<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="ln"></div>
    <script src="./src/react.js"></script>
    <script src="./src/react-dom.js"></script>
    <script src="./src/babel.js"></script>
    <script type="text/babel">
        class Bdan extends React.Component {
            constructor() {
                super()
                this.state = {
                    user: "admin",
                    password: "1234567",
                    all: true
                }
            }
            changeInput = (event) => {
                console.log(event.target.value);
                const value = event.target.type == 'checkbox' ? event.target.checked : event.target.value
                this.setState({
                    [event.target.name]: value
                })
            }
            add = () => {
                console.log(this.state);
            }
            render() {
                let { user, password, all } = this.state
                return (
                    <div>
                        <input type="text" name="user" value={user} onChange={(e) => this.changeInput(e)} />
                        <input type="text" name="password" value={password} onChange={(e) => this.changeInput(e)} />
                        <input type="checkbox" checked={all} name="all" onChange={(e) => this.changeInput(e)} />
                        <input type="button" value="提交" onClick={this.add} />

                    </div>
                )
            }
        }

        ReactDOM.render(
            <Bdan></Bdan>,
            document.getElementById('ln')
        )
    </script>
</body>

</html>